Picture in comments! find the length of side ac

The answer is:  [D]:  " (5√2) / 2 " .


Using SOH CAH TOA:

Use SOH:  sin = opposite/hypotenuse;

sin 45 = (opp) / 5 ;

5* (sin 45) = (opposite) = our answer;

5* [(√2) / 2]  = (5√2) / 2 ;  which is:  Answer choice:  [D] .
 

This makes absolutely no sense at all young man/women

Letter b sorry i’m i’m wrong xx